FACULTY OF PHARMACY
B. Pharmacy 2/4 II Semester (Suppl.) Examination, November 2017
Subject Pharmaceutical Engineering II
Time 3 hours Max. Marks 70
Note Answer all questions. All questions carry equal marks.
1 Describe the factors affecting selection of extraction process. 6
Explain the construction, working and applications of Podbielniak extractor. 8
OR
Discuss particle size distribution and its importance. 7
Explain the construction, working and importance of bag filter. 7
2 Describe the construction of sieve plate and packed towers used in fractional
distillation. 7
Describe the principles of separation of binary mixtures by rectification. 7
OR
Explain the construction and working of vacuum distillation unit. 6
Describe the advantages, drawbacks, construction and working of short tube
evaporator. 8
3 What is Mier's super saturation theory and mention its limitations? 6
Write the construction and working of Krystal crystallizer. 8
OR
Discuss the theory and principle of drying and its importance. 6
Write the construction and working of spray dryer. 8
4 What is mixing index and classify mixing equipment? 7
Describe any one equipment used for semisolid mixing. 7
OR
Explain equipment subsystems and working principle of Silverson Emulsifier. 7
Describe the characteristics, application and limitations of impellers. 7
5 Explain feedback and feed forward mechanisms in automatic process control. 6
Describe the measurement of process variables such as temperature and
pressure. 8
OR
Describe the factors affecting strength of granules. 7
Explain the factors influencing strength of tablets. 7